Casper Mattress Protector Review

We tested the Casper Mattress Protector to see how it performed. In this review, we share all the need-to-know info, so you can make an educated purchase.

By Rachael Harris

You may have seen Casper’s sleep products at Target, Amazon, or one of their flagship stores across the country. While Casper produces everything from hybrid and memory foam mattresses, to sheets, pillows, and memory foam toppers, this review is about their highly rated waterproof mattress protector.

Construction

Casper’s Mattress Protector is constructed with a layer of waterproof material sandwiched between a quilted polyester knit top and polyester blend elastic skirting. Here’s what we noticed about each component of the mattress protector.

Knit Top

Casper’s knit top is cross-stitched from a blend of polyester and spandex. The spandex makes a big difference in functionality. The cover stretches over mattresses up to 16” in height without shifting. Casper also adds labels at the head and foot of the cover to help you orient the protector while you’re making your bed.

The cover material is frequently used in high-quality athletic clothes. It keeps you cool while you sleep in the same way it keeps marathoners cool when they race in the summer. We noticed no heat pooling under our bodies while testing this mattress protector.

Waterproof Layer

This is where the real magic happens. Casper uses polythene for their waterproof material. Polythene (also known as polyethylene) is a really common plastic, used for packaging and even waterproof outdoor gear. This layer is laminated with PUR adhesive, which is both safe and effective. Generally, Casper tries to eliminate as many chemicals as possible in their products.

In addition to keeping spilled milk off of your mattress, it sleeps cool thanks to microscopic pores in its design. As a result, liquids and other substances stay away from your mattress, but air moves freely in and out.

Read More: Best Waterproof Mattress Protector

Elastic Skirting

The perimeter of the mattress protector consists of skirting with a 360-degree grip that clings to your mattress. It’s made of polyester, nylon, and stretchy spandex

Pro Tip: Casper recommends washing their mattress protector before you use it because washing and drying causes the textiles to tighten. Before the first few washes, you may notice that the skirting feels a bit loose, but machine washing on warm and tumble drying on low should “make the shoe fit.” Do not dry clean your Casper Mattress Protector

What Stands Out About the Casper Protector

Sleeps Cool: Casper’s mattress protector is high in breathability, thanks to the microscopic pores in the knit top and waterproof material. You don’t need to worry about hot air getting trapped under your body. 

Quiet: Most people have slept on a mattress protector that sounds like a plastic chip bag. Not so for Casper’s protector. They engineered it to stay quiet even when used by the most restless combination sleepers. 

Waterproof: The vital waterproof layer keeps your mattress clean and dry, so go ahead and drink your coffee in bed.

Comfy: Casper designed their mattress protector not to affect the feel of your mattress. They even performed thermal and humidity testing to make sure it was light, cool, and comfy.

Best/Not Best for

You’ll love Casper’s Mattress Protector if…

  • You want one less worry on your mind when you have breakfast in bed or dance with the birds and bees at night
  • You sleep with a pet who has dander, drool, or dirt…all the things you want to keep far away from you mattress
  • You want to maintain the quality of your mattress for a long, long time
  • You have children who are potty training or accident prone
  • You’d rather not let allergens, sweat, and dust mites accumulate in your mattress

You probably won’t love the Casper Mattress Protector if…

  • You have any allergies to polyester or nylon
  • You are looking for an inexpensive mattress protector
  • You sleep really hot and don’t want anything between you and those special cooling features in your mattress surface

Product Info

Take a look at the dimensions and prices for Casper’s Mattress Protector.

Sizes and Prices

Size Dimension Price
Twin 39″ x 75″ $85
Twin XL 39″ x 80″ $85
Full 54″ x 75″ $95
Queen 60″ x 80″ $95
King 76″ x 80″ $105
Cal King 72″ x 84″ $105

 

Shipping and Returns

Shipping

Casper offers free shipping for their Mattress Protector in the continental U.S. and Canada. They do charge shipping for deliveries in Alaska, Hawaii, and northern Canada, but all return shipping is complimentary. 

Your order ships in 1-2 business days and should be delivered within 2-5 business days. Casper will send you a handy tracking number, so you can follow its journey from their facility to your doorstep.

Fun fact: If you live abroad, they also sell their products in the United Kingdom, Germany, Austria, and Switzerland, and are expanding to even more countries across the globe.

Returns

If you want to return your mattress protector, you can do so and receive a full refund during the trial period. Reach out to Casper’s support team at +1 888-498-0003, or visit https://casper.com/returns/, and make sure to have your order number ready. Once your return is processed (usually takes 1-2 weeks), you’ll see your refund on your original form of payment within another 3-10 business days.

Casper will send you a return shipping label. All you have to do is affix the label to the package and drop it off at a UPS location. Your used mattress protector will be washed and then donated to a local charity.

Important: If you bought your mattress protector from one of Casper’s retail partners, the return process is different. You’ll need to reach out to the retailer you bought from for instructions on how to initiate a return with them.

Trial and Warranty

Trial Period

You get a full 100 nights to sleep with your Casper Mattress Protector. If it’s not the right fit, you can get a free return and full refund.

Warranty

All Casper Mattress Protectors purchased directly from Casper or one of their authorized dealers are covered by a 1-year warranty. The warranty period starts at the end of your 100-night sleep trial. 

Casper doesn’t specify what defects are covered by their Mattress Protector warranty beyond “faulty workmanship or materials.” This likely means that they assess claims on a case-by-case basis. Examples of defects could include a leaking waterproof layer or split seams. If your claim is approved, Casper will send you a replacement mattress protector

To make a claim call +1 888-498-0003 or email support@casper.com. Make sure to have your order number and original proof of purchase ready.

Customer Reviews

  • “My kids have accidents frequently on their beds (which are also Casper), and the mattress stays dry every time. Not only do they work well but they are also comfortable & quiet. It’s like it’s not even there.” – Sasha
  • “Love this thing. My son dumped an entire baby bottle on his bed and this thing did it’s job. Mattress was 100% clean and dry.” – Amazon reviewer
  • “We have an adjustable base with a queen Tempur-Pedic mattress and this mattress pad is the first one not to constantly slip off when adjusting the base. I water tested the surface and the under layer stays dry. This mattress pad does not affect the temperature of the bed and feels like we are laying directly on our mattress.” – mac girl*

Pros and Cons

Pros Cons
Waterproof: Completely waterproof (not just water-resistant) Price: Not as affordable as other mattress protectors on the market
Cool: Breathable, so you sleep cool Not for Tall Beds: Only fits mattresses up to 16”
Undetectable: You won’t hear or feel Casper’s Mattress Protector

Quick Definition: What is a Mattress Topper?

Before we dive in, let’s clarify exactly what a mattress protector is and is not. The sole purpose of a mattress protector is to prolong the lifespan of your mattress by keeping out anything that could cause damage or decay. Common examples include liquids, dust mites, allergens, and bed bugs

In contrast, a mattress pad is basically a fitted sheet with a thin layer of foam for added comfort. A mattress topper is a top layer of foam 1-4 inches tall that is added to a mattress to improve the feel or adjust the firmness level. 

Casper does have a mattress pad and foam topper [link to review] in their Casper Sleep catalogue, but this review will focus on their cooling mattress protector

Final Breakdown

There’s lots to recommend Casper’s Mattress Protector. Not only does it keep liquids and other unsavory substances away from your mattress, but it also stays cool. Most reviewers say it’s worth the cost, and you get 100-days to test it out risk free. Plus, Casper often runs special discounts on their products. Mattress Advisor’s vote: Give it a try!


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